Calf-raise exercise machine



FIG. 1 is a perspective view of a calf-raise exercise machine, showingmy new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a right-side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The weight plates shown in broken lines in FIG. 1 are for the purpose ofillustrating environmental structure, which form no part of the claimeddesign. The broken lines showing circular elements on the frame, depictportions of the exercise machine which form no part of the claimeddesign.

CLAIM I claim the ornamental design for a calf-raise exercise machine,as shown and described.